Home / 161,442.77-222,801.67-89,822.94

Finding the Fourth Proportional to 161,442.77, 222,801.67 and 89,822.94

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Solution

The fourth proportional to 161,442.77, 222,801.67 and 89,822.94 is: 123,961.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,442.77 : 222,801.67 = 89,822.94 : x
  2. Step 2: Convert to fraction form
    161,442.77/222,801.67 = 89,822.94/x
  3. Step 3: Cross multiply
    161,442.77x = 222,801.67 × 89,822.94
  4. Step 4: Simplify right side
    161,442.77x = 20,012,701,566.34
  5. Step 5: Solve for x
    x = 20,012,701,566.34/161,442.77
  6. Step 6: Final answer
    x = 123,961.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.